2009 comparison: http://physxinfo.com/articles/?page_id=154
Open source:
Proprietary:
- PhysX: bought by NVIDIA from a Swiss company. NVIDIA GPU acceleration.
- 2015 Flex demo with lots of water / cloth: https://www.youtube.com/watch?v=pfonMfP__Ks
- Havoc: first bought by Intel from an Irish company, then by Microsoft from Intel.
- Has GPU support.
- Used by Assassin's Creed (Ubisoft)
- Havoc destruction
- car demo 2015: https://www.youtube.com/watch?v=iiRR6DtR1z8
- 2010 demo: https://www.youtube.com/watch?v=cIcg5eotZlY
- https://docs.coronalabs.com/guide/physics/index.html
2D:
- http://brm.io/matter-js/ JavaScript on browser
AngryBirds used Box2D physics engine which does not require even attribution, and never gave anything back to its creator (Blizzard employee):
- http://www.geek.com/games/box2d-creator-asks-rovio-for-angry-birds-credit-at-gdc-1321779/
- http://www.neogaf.com/forum/showthread.php?t=472319
- impressive chain and watch demos with RUBE (closed source) editor https://www.youtube.com/watch?v=WqLR4dFn1qE
- destructible terrain as in Worms:
- gas internal combustion engine!!! https://www.youtube.com/watch?v=8kZRpouZ3OQ
- https://github.com/rchoetzlein/fluids3
- https://github.com/erwincoumans/fluids_v3
- https://en.wikipedia.org/wiki/Smoothed-particle_hydrodynamics
- Windows focused build, erwincoumans/fluids_v3#2 might port it to Linux